A building housing an instrument for projecting the positions of the planets onto a domed ceiling.

Roget 318: world, creation, nature, universe; earth, globe, wide world; cosmos; kosmos^†; terraqueous globe^†, sphere; macrocosm, megacosm^†; music of the spheres.    heavens, sky, welkin^†, empyrean; starry cope, starry heaven, starry host; firmament; Midgard; supersensible regions^†; varuna; vault of heaven, canopy of heaven; celestial spaces.    heavenly bodies, stars, asteroids; nebulae; galaxy, milky way, galactic circle, via lactea [Lat.], ame no kawa [Jap.].    sun, orb of day, Apollo^†, Phoebus; photosphere, chromosphere; solar system; planet, planetoid; comet; satellite, moon, orb of night, Diana, silver-footed queen; aerolite^†, meteor; planetary ring; falling star, shooting star; meteorite, uranolite^†.    constellation, zodiac, signs of the zodiac, Charles's wain, Big Dipper, Little Dipper, Great Bear, Southern Cross, Orion's belt, Cassiopea's chair, Pleiades.    colures^†, equator, ecliptic, orbit.    [Science of heavenly bodies] astronomy; uranography, uranology^†; cosmology, cosmography^†, cosmogony; eidouranion^†, orrery; geodesy etc. (measurement) 466; star gazing, star gazer^†; astronomer; observatory; planetarium.    ... show more

Dutch: planetarium
Polish: planetarium

An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.

Dutch: planetarium

An apparatus or model for representing the solar systems.